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US electronic market maker supports UK group’s push back against hostile behaviour on its platform
KCG deal comes as Chinese investors buy Chicago Stock Exchange
AMF hits exchanges operator and market maker with €5m penalties for ignoring market rules in 2009
US high-frequency trader reports 34% rise in quarterly profit amid China economy fears
Capturing tiny spreads can be as tricky as picking a winner
Dutch group to become first electronic trader in Europe to float as regulators eye sector
High-speed trading company seeks new markets after regulatory scrutiny in US and Europe
Computerised trading does not require many humans
Solid price gains reward buyers of shares in Etsy, Party City and Virtu IPOs
Bigger is better in the cut-throat world of rapid-fire trading
IPO to test investor attitudes to high-frequency trading
International Edition